A033058 Numbers n such that base 7 representation Sum{d(i)*7^i: i=0,1,...,m} has odd d(i) for all odd i.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 22, 24, 26, 29, 31, 33, 36, 38, 40, 43, 45, 47, 56, 57, 58, 59, 60, 61, 62, 70, 71, 72, 73, 74, 75, 76, 84, 85, 86, 87, 88, 89, 90, 105, 106, 107, 108, 109, 110, 111, 119, 120, 121, 122, 123, 124, 125